Wilmer Cutler Pickering Hale and Dorr has one of the leading antitrust and competition practices in the United States and Europe. With more than 50 years' experience and over 75 competition lawyers in the US, Europe and China, we have secured antitrust clearance for hundreds of complex mergers and joint ventures, helped clients avoid fines and prison terms in many cartel investigations, and won numerous victories for clients in private and government litigation.